public async Task <bool> MoveNext(CancellationToken cancellationToken)
{
if (_queryRunner == null)
{
_queryRunner = _dataContext.GetQueryRunner(_query, _queryNumber, _expression, _ps);
_mapper.QueryRunner = _queryRunner;
_dataReader = await _queryRunner.ExecuteReaderAsync(cancellationToken);
var skip = _skipAction?.Invoke(_expression, _ps) ?? 0;
while (skip-- > 0)
{
if (!await _dataReader.ReadAsync(cancellationToken))
{
return(false);
}
}
_take = _takeAction?.Invoke(_expression, _ps) ?? int.MaxValue;
}
if (_take-- > 0 && await _dataReader.ReadAsync(cancellationToken))
{
_queryRunner.RowsCount++;
Current = _mapper.Map(_queryRunner, _dataReader.DataReader);
return(true);
}
return(false);
}